192 clutches and power-stop control – Clutches – Fluent material
Patent
1978-04-21
1980-11-25
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Fluent material
192 82T, F16D 3500
Patent
active
042353220
ABSTRACT:
A fluid coupling device is disclosed of the type including an output coupling member, a cover, a valve plate separating the fluid reservoir chamber from the fluid operating chamber, and an input coupling member rotatably disposed in the operating chamber. Valving controls the flow of fluid between the reservoir and the operating chamber in response to variations in a condition such as temperature. The input member has a front face adjacent the valve plate and a rear face cooperating with the adjacent surface of the output member to define interdigitated lands and grooves. The input member defines a plurality of fluid passages permitting direct axial communication of fluid between the front face and the lands and grooves. This direct flow into and out of the lands and grooves is effective to reduce substantially the time required to achieve full engagement and full disengagement of the coupling. The invention is also effective to feed fluid into the lands and grooves during engagement, to increase the overall torque capacity of the coupling.
REFERENCES:
patent: 3055473 (1962-09-01), Oldberg et al.
patent: 3559786 (1971-02-01), Long
patent: 3648811 (1972-03-01), LaFlame
patent: 3688884 (1972-09-01), Perrin et al.
patent: 3713520 (1973-01-01), Kerr
patent: 3809197 (1974-05-01), Clancey
patent: 4060158 (1977-11-01), Kikuchi
Bonck Rodney H.
Eaton Corporation
Kasper L.
McCloskey R. J.
Yakimow J.
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